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Finding the Fourth Proportional to 27,169.86, 40,754.94 and 12,368.42

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Solution

The fourth proportional to 27,169.86, 40,754.94 and 12,368.42 is: 18,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.86 : 40,754.94 = 12,368.42 : x
  2. Step 2: Convert to fraction form
    27,169.86/40,754.94 = 12,368.42/x
  3. Step 3: Cross multiply
    27,169.86x = 40,754.94 × 12,368.42
  4. Step 4: Simplify right side
    27,169.86x = 504,074,153.15
  5. Step 5: Solve for x
    x = 504,074,153.15/27,169.86
  6. Step 6: Final answer
    x = 18,552.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.